Finding the Fourth Proportional to 498.83, 748.71 and 293.81

Step by Step Solution

1. Step 1: Write the proportion equation
   498.83 : 748.71 = 293.81 : x
2. Step 2: Convert to fraction form
   498.83/748.71 = 293.81/x
3. Step 3: Cross multiply
   498.83x = 748.71 × 293.81
4. Step 4: Simplify right side
   498.83x = 219,974.74
5. Step 5: Solve for x
   x = 219,974.74/498.83
6. Step 6: Final answer
   x = 440.99